package club.hdqyf.springcloud.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import club.hdqyf.springcloud.entities.Dept;

@RestController
public class DeptController_Consumer {
	
	//private static final String REST_URL_PREFIX = "http://localhost:8001";
	private static final String REST_URL_PREFIX = "http://MICROSERVICECLOUD-DEPT";	//利用微服务名去访问微服务
	
	/**
	 * RestTemplate 提供了多种便捷访问远程http服务的方法
	 * 是一种简单便捷的访问restful服务模板类，是Spring提供的用于访问Rest服务的客户端模板工具集
	 * 
	 * 使用restTemplate访问restful接口非常的简单粗暴无脑。
	 *（url，requestMap，ResponseBean.class）这三个参数分别代表
	 * REST请求地址、请求参数、HTTP响应转换被转换成的对象类型。
	 */
	@Autowired
	private RestTemplate restTemplate;
	
	@RequestMapping(value="/consumer/dept/add")
	public boolean add(Dept dept) {
		return restTemplate.postForObject(REST_URL_PREFIX + "/dept/add", dept, Boolean.class);
	}
	
	@RequestMapping(value="/consumer/dept/get/{id}")
	public Dept get(@PathVariable("id") Long id) {
		return restTemplate.getForObject(REST_URL_PREFIX + "/dept/get/" + id, Dept.class);
	}
	
	@RequestMapping(value="/consumer/dept/list")
	public List<Dept> list() {
		return restTemplate.getForObject(REST_URL_PREFIX + "/dept/list", List.class);
	}
	
	//测试@EnableDiscoveryClient,消费端可以调用服务发现
	@RequestMapping(value="/consumer/dept/discovery")
	public Object discovery() {
		return restTemplate.getForObject(REST_URL_PREFIX + "/dept/discovery", Object.class);
	}
}
